Centre of mass

Centre of mass of uniform half disc

• (2R)/3π

• (3R)/2π

• (4R)/3π

• R/2

Radius of center of mass (distance of COM from object) is inversely proportion to which of the following?

• Displacement

• Mass

• Force

• Volume

• Length of object

Centre of mass of a triangular plate is

• H/4

• (2l)/3

• H/3

• H/6

When external force is zero, displacement is

(a)  

λ is used to denote

• mass per unit length

• mass per unit area

• mass per unit volume

σ (sigma) is used for calculation COM of

• 1D objects

• 2D objects

• 3D objects

• 4D objects

Centre of mass of a rod is

• (3l)/4

• (2l)/3

• l/5

• 7l/2

Centre of mass of a semi-circular ring is

• (2R)/π

• (3R)/π

• R/π

• (2R)/3π